Ratio and Rates Review

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another, often expressed in the form 'a:b'.

Front

How do you write a ratio in three different ways?

Back

A ratio can be written as 'a to b', 'a:b', or 'a/b'.

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity per one unit of another quantity.

Front

If 5 apples cost $10, what is the unit rate per apple?

Back

The unit rate is $2 per apple.

Front

What is the ratio of first place ribbons to second place ribbons if Megan won 5 first place and 3 second place ribbons?

Back

The ratio is 5:3.

Front

If a 2-liter bottle of soda costs $2.50, what is the cost for 6 liters?

Back

The cost for 6 liters is $7.50.

Front

How do you find the unit rate from a total quantity?

Back

To find the unit rate, divide the total quantity by the number of units.

Front

A zoo had 985 visitors in 5 hours. What is the unit rate of visitors per hour?

Back

The unit rate is 197 visitors per hour.

Front

What is the formula to calculate a ratio?

Back

The formula to calculate a ratio is: Ratio = Quantity A : Quantity B.

Front

If there are 12 cats for every 20 dogs, what is the ratio of cats to dogs?

Back

The ratio of cats to dogs is 12:20.